Question about Brookstone Pure-Ion UV Air Purifier

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Stopped filtering dust...

I bought a Brookstone Pure-Ion UV about 6 months ago that was working wonderfully night and day. Recently I noticed that there is no dirt collecting on the cylinders. I pulled them out and vacuumed/wiped off a lot of dirt that was inside the unit. I paid careful attention to the contacts at the bottom that supply the voltage to the cylinders. I've run it overnight and still there is no dust/dirt stuck to the cylinders. The fan runs, the UV lights, and it sounds the same. What else can I try? I have a multimeter. Are there ways to can check voltages, shorts, or opens?

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Re: Stopped filtering dust...

I just got one from some one that wash trashing it because it quit. The problem with this one was a bad power regulating transistor. $1.69 at Radio Shack. I also found that the board that supplies the voltage to the grid had several bad solder joints on it. Take the bottom/stand off: four screws. Take the next 4 screws you see out then the bottom should come off. The small board next to the motor energizes the grids. The transistor on that board needed to be re solderd. Also the flimsy black wire was loose too. Hope this helps.

Posted on Feb 28, 2008

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